Example inputPOST /api/v1/x402/token-echo-2
{
"text": "ping-delx-2"
}
Portable intent card · agent-workflow
Echo text with length (probe channel 2). Call when you verify a second pay→deliver path with a trivial payload. Returns echo text, length, echo=2 for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.
Intent to transaction
The source header follows this discovery route through challenge, payment and delivery without exposing the buyer or request body.
npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/token-echo-2 -m POST -H 'x-delx-source: intent-card-token-echo-2-api' --max-amount 0.001 -b '{"text":"ping-delx-2"}'
{
"text": "ping-delx-2"
}
{
"intent": "Token Echo 2 for an agent workflow",
"tool_name": "util_token_echo_2",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/token-echo-2-api.json"
}
Portable and inspectable